128435734

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 224971776

約数和(自身を除く): 96536042

約数列:

[1, 2, 7, 14, 71, 142, 157, 314, 497, 823, 994, 1099, 1646, 2198, 5761, 11147, 11522, 22294, 58433, 78029, 116866, 129211, 156058, 258422, 409031, 818062, 904477, 1808954, 9173981, 18347962, 64217867, 128435734]

約数ペア:

[(1, 128435734), (2, 64217867), (7, 18347962), (14, 9173981), (71, 1808954), (142, 904477), (157, 818062), (314, 409031), (497, 258422), (823, 156058), (994, 129211), (1099, 116866), (1646, 78029), (2198, 58433), (5761, 22294), (11147, 11522)]